Primaluce Lab 125mm PLUS Tube Rings for Takahashi FSQ106

Primaluce Lab 125mm PLUS Tube Rings for Takahashi FSQ106

  (1 Review)
✓ 2 year warranty


1x in stock shipped 1-2 working days

About this product

Model:  pl_pllansu125p
Part Number:  PLLANSU125P

Premium quality 125mm PLUS tube rings from Primaluce Lab.

The 125mm PLUS support rings can be used with different brands telescopes (such as 120-130mm diameter refractors) with 125mm in diameter optical tube such as Takahashi FSQ106ED, Takahashi FSQ106EDX and Takahashi TSA120.

When used with a long dovetail bar, you may need to use a 20mm spacer to ensure enough clearance between the dovetail and dew shield.

The 125mm PLUS support rings are part of our system PLUS (Prima Luce Universal System) which includes a large variety of support rings, plates, guide rings and dovetail clamps to offer you the maximum freedom to build your mechanical system of support, depending on the application that you want to achieve. Indeed, all the PLUS elements have threaded holes, holes and slots suitable for connecting elements, always with maximum rigidity and comfort.

For this application, we designed many elements, including the 125mm PLUS support rings. Each component of the PLUS system is made of Aluminium blocks that are high precision CNC machined. The Aluminium is then sandblasted to achieve a very smooth surface finish and is anodised (hard anodising) to increase the hardness of the material and protect it from oxidation.

Thanks to the particular design, the 125mm PLUS support rings are equipped with holes (above and below each ring) to permit the attachment of:

  1. Vixen or Losmandy plates below the rings to install the telescope on any mount
  2. PLUS guide rings (each ring can be fixed on the support ring with 2 screws)
  3. Vixen or Losmandy plates above the rings to increase the rigidity of the mechanical system and enable to install other accessories, such as dovetail clamps with guide rings to precisely adjust the position of the guide telescope.
If you have other brands mechanical accessories, you can still use all the elements of the PLUS system. Indeed we have provided a series of central slots that allow, for example, to fix on these support rings plate or guide rings through a screw.

Customer reviews

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Quality fit & feel
Friday, 27 April 2018  | 

I replaced the original tube rings on my FSQ106 with these as I use the Eagle2 and dovetail bars from PrimaLuceLab also. The quality of engineering and finish is excellent, and the fit on the FQS106 is perfect, with no discernible movement at all.

The aluminium thumb screws are a perfect size to get a good purchase for tightening, and the inclusion of nylon washers under them mean tightening is very smooth without binding.

The rings will fit on any standard metric dovetail, but have additional holes for use with the PrimaLuce Plus system dovetails, which makes installation extremely easy, with fixing being possible from inside the rings as well as outside, like standard types.

A word of caution would be that if you intend to use these on a longer dovetail bar (350mm+), which you will likely need to to achieve balance, then the aluminium trim on the dew shield will contact the plate and you will need to use the 10mm spacer bars.

Above all very good, well made and give a feeling of reassurance that the OTA is not going to move during an imaging session. Highly recommended.


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